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5296633 |
HMTA preparation of methylated tertiary amines
The methylated tertiary amines are selectively prepared by reacting a primary or secondary amine, or a nitrile or aminonitrile, including an aminoalcohol, etheramine, a polyamine or fatty polyamine...
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5288833 |
Liquid catalysts for rapid polymerization of liquid compositions bases on polyisocyanates and epoxides
The present invention relates to quaternary β-hydroxy-alkyl-ammonium halides and quaternary β-hydroxy-cycloalkylammonium halides, which are liquid at temperatures lower than 60° C., are easily...
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5288911 |
Preparation of α,ω-aminoalcohols
Preparation of α,ω-aminoalcohols of the general formula I HO--CH 2 --X--CH 2 --NH 2 (I), in which x denotes a C 1 -C 20 -alkylene chain optionally substituted by inert...
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5288910 |
Palladium catalyzed addition of amines to 3,4-epoxy-1-butene
4-amino-2-buten-1-ol is formed by the regioselective addition of primary amines or ammonia to 3,4-epoxy-1-butene. A quantity of a the primary amine or ammonia is reacted with 3,4-epoxy-1-butene in...
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5276190 |
Method for the preparation of an alcohol
The invention relates to a method for the preparation of an α,α-disubstituted α-amino alcohol from the corresponding amide with the aid of sodium in the presence of an alcohol as solvent. The...
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5273686 |
Soluble magnesium hydrides, method of preparing them, and use thereof
Organic-solvent soluble magnesium hydrides or formulas ##STR1## are prepared by catalytically hydrogenating finely powdered magnesium, optionally in the presence of a magnesium halide, in an...
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5266468 |
Process for preparing β-hydroxy-α amino acids
β-Hydroxy-α-amino acids are obtained via serine hydroxymethyltransferase catalyzed condensation of aldehydes with glycine. The predominant product with most aldehydes is the L-erythro...
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5245032 |
Catalytic processes for the preparation of N,N,N-trisubstituted nitrogen-containing compounds
A process for preparing N,N,N-trisubstituted nitrogen-containing compounds which comprises contacting a carboxylated N,N,N-trisubstituted nitrogen-containing compound with a mixed metal oxide...
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5235052 |
Process for preparing substituted cyclobutane purines
The present invention relates to a process for the preparation of substantially pure enantiomer of the purines substituted with cyclobutanes.
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5231221 |
Process for the preparation of acylals
Compounds of the formula ##STR1## can advantageously be prepared by reacting compounds the formula II ##STR2## in which the substituents R 1 -R 4 have the meanings given, with the anhydride of...
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5225600 |
Amines catalysis using group VIB metal-containing condensation catalysts
This invention relates to a process for making amines by condensing an amino compound in the presence of a Group VIB metal-containing condensation catalyst. This invention also relates to an...
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5214142 |
Processes for the preparation of aminoethers
A process for preparing aminoethers, particularly bis[2-(N,N-dialkylamino)alkyl]ethers, which comprises contacting a carboxylated aminoether with a metal oxide catalyst under conditions effective...
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5202490 |
Process for thr manufacture of diethylenetriamine and aminoethylethanolamine
A continuously generated alkyleneamines producers composition comprising based on 100% of the moles of the compostion and exclusive of any MEA and water present, a) about 15 to about 35 mole %...
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5202491 |
Process for the manufacture of diethylenetriamine
A continuously generated alkyleneamines producers composition comprising, based on 100% of the moles of the composition and exclusive of any MEA and water present, a) about 20 to about 40 mole %...
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5196589 |
Stabilized acrylonitrile polymerizations
The present invention relates to novel methods of stabilizing polymers of acrylonitrile. The polymers are stabilized by the inclusion of small amounts of stable free radicals compounds which act to...
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5196583 |
Propargyl amino compounds
The invention provides a novel class of propargyl compounds represented by the formula: ##STR1## wherein R is an C 1 -C 20 alkyl group, C 1 -C 20 alkylene group, C 1 -C 20 alkylene group...
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5196588 |
Ethylenediamine and diethylenetriamine producers composition and method for producing same
A continuously generated alkyleneamines producers composition comprising, based on 100% of the moles of the composition and exclusive of any MEA and water present, a) about 14 to about 20 mole %...
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5162048 |
Additive for hydrocarbon fuels
The present invention relates to an additive to hydrocarbon fuels which includes nitrate of ethanolamine as an additive to reduce the quantity of smoke and improve the efficiency of combustion. The...
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5137919 |
Effect of N,N,N,-trimethylsphingosine on protein kinase C activity melanoma cell growth in vitro; metastatic potential in vivo and human platelet aggregation
The invention relates to a novel compound, compositions and medicaments thereof and a method of inhibiting cell proliferation, platelet aggregation (induced by various factors), and inhibiting...
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5105013 |
Method for the reductive methylation of primary amines
A process for the preparation of permethylated amines, particularly pentamethyldiethylenetriamine, by the reductive methylation of diethylenetriamine in the presence of hydrogen, a...
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5099070 |
Method of producing neopentyldiamine
A process for producing neopentyldiamine is provided. This process entails contacting a feedstream containing neopentanolamine with ammonia and hydrogen in the presence of a support nickel catalyst...
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5087753 |
Process for recovering α-aminoalcohols
Process for recovering α-aminoalcohols by extraction from aqueous solutions, in which process an aromatic aldehyde is added at elevated pH to an aqueous solution of an aminoalcohol in an at least...
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5068329 |
Aminoethylethanolamine producers composition and method for producing same
A continuously generated alkyleneamines produces composition comprising, based on 100% of the moles of the composition and exclusive of any MEA and water present, a) about 50 to about 90 mole %...
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5068397 |
Tris-perfluoroalkyl terminated neopentyl alcohols and derivatives therefrom
Tris-perfluoroalkyl terminated neopentyl alcohols of the formula (R f --E n --X--CH 2 ) 3 CCH 2 OH prepared from halogenated neopentyl alcohols and thiols of the formula R f --E n --SH,...
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5068330 |
Aminoethyethanolamine and ethylenediamine producers composition and method for producing same
A continuously generated alkyleneamines producers composition comprising, based on 100% of the moles of the composition and exclusive of any MEA and water present, a) about 15 to about 50 mole %...
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5066815 |
Process for preparing optically active alcohol
A process for preparing an optically active alcohol is disclosed, which comprises asymmetrically hydrogenating a carbonyl compound in the presence of a ruthenium-optically active phosphine complex...
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4931596 |
Process for preparing hydroxylated amines
Hydroxylated primary amines corresponding to the formula: R--X--CH 2 --CH(OH)--CH 2 NH 2 (I) in which R is a saturated or unsaturated straight chain C 5 -C 18 aliphatic...
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4918235 |
1,5-Diaminoheptanol-1,6,
The present invention is directed to a new chemical compound, 1,5-diaminoheptanol-6, which corresponds to the formula ##STR1## The present invention is additionally directed to a process for the...
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4904788 |
Hydrocarbon-soluble complexes of magnesium alkoxides with magnesium amides
Hydrocarbon-soluble complexes of magnesium alkoxides with magnesium amides are described. The magnesium amide moiety is derived from an amine (e.g., an N-heterocyclic amine). The complexes can be...
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4888138 |
Substituted ammonium carbamates and method for preparing same
Compounds corresponding to the formula: ##STR1## in which R is a saturated or unsaturated straight chain C 5 -C 18 aliphatic radical and X represents --O--, --S--, --NH-- or --CH 2 -- are...
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4885392 |
Derivatives of 1,3-bissubstituted 2-propanol containing amino groups, methods for their preparation and their use
Polyamines based on derivatives of 1,3-bissubstituted 2-propanol containing a multiplicity of amino groups, the latter containing at least one primary amino group and additionally further N-basic...
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4873370 |
Alkylene diamines for use in friction and wear reducing compositions
N,N-dialkyl-N'-(beta substituted) alkyl alkylene diamines of the formula ##STR1## wherein R 1 , R 2 and R 3 are C 1 -4 hydrocarbon groups or H, but both R 1 and R 2 are not H, R 4 is a...
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4859357 |
Polyfluorinated compounds, their preparation and their use as lubricant additives
The invention relates to new polyfluorinated compounds which are usable as anti-wear additives for lubricants. These compounds are of general formula: ##STR1## in which R F is a perfluorinated...
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4853141 |
Polyfluorinated amino alcohols and their esters, preparation of these compounds and their use as lubricant additives
The invention relates to new polyfluorinated compounds which are usable as anti-wear additives for lubricants. These compounds are of general formula: ##STR1## in which R F is a perfluoroalkyl...
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4845292 |
Hydroxy containing amines as phospholipase A2 inhibitors
There are disclosed compounds of the formula ##STR1## R is --CH 2 OH or --CO 2 R 3 ; R 1 is hydrogen, lower alkyl, lower alkoxy or hydroxybenzyl; R 2 is hydroxyloweralkyl or...
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4795627 |
Tritium labelled N-mustard type compounds and a process for their production
The present invention describes novel tritium labelled nitrogen mustard type compounds, and their aziridinium type analog, and a process for the production of same. The compounds are of value in...
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4760189 |
Process for the preparation of diamine-alcohols
The present invention relates to a new process for the preparation of diamine-alcohols. The process according to the present invention relates to the preparation of compounds of the formula: ...
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4760067 |
Allylsulfoxide enzyme inhibitors
Organic sulfoxides having a latent allyl group bound to the sulfur are enzyme inhibitors of the suicide or K cat type.
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4695631 |
Process for the preparation of enamines or imines
A process for the preparation of enamines or imines by isomerization of allylamine derivatives is described. Allylamine derivatives represented by formula (I): ##STR1## are isomerized using as a...
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4680393 |
Process for the selective synthesis of tertiary alkanolamines
The present invention is a process for the synthesis of tertiary alkanolamines by reacting a secondary amine with an alkanediol. High selectivity for the production of alkanolamines is achieved by...
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4661288 |
Zwitterionic compounds having clay soil removal/anti/redeposition properties useful in detergent compositions
Water-soluble zwitterionic compounds having clay soil removal/anti-redeposition properties. The zwitterionic compounds are selected from monozwitterionic compounds, dizwitterionic compounds,...
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4642303 |
Catalyst composition
The present invention is directed to catalyst compositions containing nickel, copper, chromium and iron which are useful for promoting reductive amination reactions, such as the conversion of...
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4624980 |
N-t-alkyl-N-sec-alkyl secondary amine compounds
An N-t-alkyl-N-sec-alkyl secondary amine compound of the formula: ##STR1## wherein X, Y and Z are each independently selected from --H, --OH, or an alkyl group having from 1 to about 15 carbon...
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4621095 |
Substituted tert.-butanol derivatives and antimycotic agents containing these compounds
The invention relates to bis-azolyl-substituted t-butanol derivatives defined herein under formula (I) and their use as antimycotic agents. Included in the invention are compositions containing...
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4618481 |
Absorbent composition containing a severely hindered amino compound and an amine salt and process for the absorption of H.sub.2 S using the same
An alkaline absorbent composition comprising a severely hindered amino compound and an amine salt is provided. A process for the removal of H 2 S from fluid mixtures using this absorbent...
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4605772 |
Process for preparing N-alkane-N-alkanolamines
N-alkane-N-alkanolamines are prepared by (a) contacting an N-alkane-N-alkanolamine having more N-alkanolamine moieties than the product compound, with a haloalkane; (b) contacting the product of...
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4605770 |
Noncyclic polyalkylene polyamines by the reaction of an alkanolamine compound and an alkyleneamine compound in the presence of a Group IIA or Group IIIB metal acid phosphate catalyst
A process for preparing predominantly noncyclic polyalkylene polyamine compounds is disclosed wherein an alkanolamine compound and an alkyleneamine compound in a molar ratio of alkanolamine...
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4588843 |
Synthesis of (alkoxyalkyl) amines
It has been discovered that when reaction is effected between an alkali metal omega-amino-alkoxide and an alkyl halide, nucleophilic attack of the alkoxide on the alkyl halide occurs so that an...
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4582938 |
Alkyl polyamine ethers as catalysts for isocyanate reactions
This invention relates to a polyamine composition suited for catalytically effecting reaction between organic polyisocyanate and an active hydrogen compound as measured by the Zerewitinoff method...
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4581178 |
Addition of aldehydes to organic compounds having a carbon-hydrogen bond activated by a nitro or nitrile group
Low valent transition metal complexes containing small cone angle phosphine or arsine ligands efficiently catalyze addition of aldehydes to compounds or groups having a C--H bond activated by a...
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